We have a propensity to be interested in 1: strange things, 2: cheap things. The Guarder-King Arms M16A2 qualifies as both. It’s a hybrid of Guarder externals and King Arms externals. Now, most people would expect a gun to be built the other way around, since Guarder is best known for its upgrade parts and King Arms for its replicas with excellent externals. Read the review to find out our take on this gun.